decompression

noun
UK /ˌdiː.kəmˈpreʃ.ən/
US /ˌdiː.kəmˈpreʃ.ən/

Decompression is when pressure is slowly taken away from something, like air coming out of a balloon.

After the deep-sea dive, the divers rested while their bodies went through decompression.


OTHER MEANINGS

2. A computer process that shrinks a file so it takes up less space, then makes it full size again.

He used a program to do decompression and open the zipped folder.

3. A time to relax and feel less stress after working hard.

The weekend was a chance for some decompression after a busy week.

4. The careful process of bringing a diver slowly back to normal air pressure.

The decompression stop kept the diver safe from getting sick.